Known as both a Centris and a Quadra, the 660av uses a 25 MHz 68040
CPU. The hard drive is a 230 MB Apple-branded Quantum mechanism
formatted with Drive Setup 1.4. Also tested was an older external 160
MB drive formatted with Drive Setup 1.4.
The drives were not optimized before benchmarking.
Remember that benchmarks are arbitrary. They measure certain types
of performance that may or may not reflect the way you work.
Speedometer 3.06
Speedometer 3 refused to run on the 660av, generating a Type 1
error.
Speedometer 4.02
The system was tested on 6 January 1999 under System 7.5.5 and 8.1
with inessential extensions off. The 660av was attached to a 14" color
monitor and tested in 24-bit video mode unless otherwise noted. Results
are relative to a Quadra 605, which rates 1.0. Numbers are rounded off
to two decimal places.
These numbers compare performance at different cache settings with
System 7.5.5.
cache CPU graphics disk math
32KB 0.89 1.01 1.45 14.99
64KB 0.89 1.02 1.44 14.99
128KB 0.89 1.03 1.48 14.99
256KB 0.89 1.06 1.59 14.99
512KB 0.89 1.02 1.70 14.99
1MB 0.89 1.02 4.34 14.89
These numbers compare performance at different cache settings with
Mac OS 8.1.
cache CPU graphics disk math
32KB 0.89 1.02 1.48 14.99
64KB 0.89 1.01 1.48 14.99
128KB 0.89 1.03 1.48 14.99
256KB 0.89 1.03 1.59 14.99
512KB 0.89 1.02 1.69 14.99
1MB 0.89 1.02 4.37 14.99
The cache setting should have no significant influence on non-disk
tests, which these numbers bear out, nor does the use of Mac OS 8.1 vs.
System 7.5.5.
As with most Macs, cache size makes no appreciable difference below
256 KB. Because Speedometer uses a 1 MB test file, as the size of the
disk cache passes 256 KB, performance improves, reaching a maximum at 1
MB, where the entire test file is cached.
Testing the external drive resulted in identical figures, except for
much lower (0.96 to 1.01) disk scores.
Testing at different video settings (b&w, 16 colors, and 256
colors) demonstrated an exceptionally stable video system: graphic
scores ranged from 1.01 to 1.06 in all tests.
Go to the 660av
profile.
